Plan of St. Petersburg.Big and Malaya Kolomna.XVIII century.(middle)."Copped student Mikhail Kovrin.1749, June 7 ".

Plan of St. Petersburg.Big and Malaya Kolomna.XVIII century.(middle)."Copped student Mikhail Kovrin.1749, June 7 ".- -.-XVIII century.;Kart.Additional.84;60 x 137;Additional Agreement No. 1 of May 21, 2021 to the contract.No. 90-19 dated August 27, 2019 (Ban)..Electronic copy source: ban